Leonardo V. Riella, M.D., PHD
NPI 1013067057ActiveIndividual· Internal Medicine· Boston, MA
Internal Medicine (M.D., PHD) with Massachusetts General Physicians Organization Inc and 1 other group, practicing in Boston, Massachusetts. 114 Medicare patients in 2024, $41,433 paid; nearly all of their 189 Part D prescriptions were generic (90%). Apellis Pharmaceuticals, Inc. was the largest of 5 companies reporting payments in 2025, $18,757 in all, mostly consulting fees. Lists Brigham and Women's Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1013067057 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PHD |
| Sole proprietor | No |
| NPI issued | Jan 11, 2007 |
| Last updated in NPPES | Aug 18, 2025 |
| Certified by provider | Aug 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 230644 | MA |
| Internal Medicine, Nephrology | 207RN0300X | 230644 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 114 |
|---|---|
| Services billed | 458 across 13 procedure codes |
| Paid by Medicare | $41,433 |
Part D prescriptions in 2024
| Prescriptions (claims) | 189 · 413 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $25,666 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
- North Shore Medical Center -Salem, MA
- Wentworth-Douglass HospitalDover, NH
Industry payments (Open Payments)
- 2025$18,757 · 9 payments from 5 companies
- 2024$8,369 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $8,465 | 4 |
| Alexion Pharmaceuticals, Inc. | $7,035 | 1 |
| Novo Nordisk Inc | $2,748 | 2 |
| National Marrow Donor Program | $400.00 | 1 |
| Biogen, Inc. | $109.93 | 1 |
What the 2025 payments were for
- Consulting Fee$17,949 · 5 payments
- Food and Beverage$408.45 · 3 payments
- Honoraria$400.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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